AK: Add String::find_all() and String::count()

1 files changed, 20 insertions, 0 deletions

diff --git a/Tests/AK/TestString.cpp b/Tests/AK/TestString.cpp
index b61828199e..40953ec418 100644
--- a/Tests/AK/TestString.cpp
+++ b/Tests/AK/TestString.cpp
@@ -168,6 +168,26 @@ TEST_CASE(replace)
     EXPECT(test_string == "111._.|||._.|||");
 }
 
+TEST_CASE(count)
+{
+    String test_string = "Well, hello Friends!";
+    u32 count = test_string.count("Friends");
+    EXPECT(count == 1);
+
+    count = test_string.count("ell");
+    EXPECT(count == 2);
+
+    count = test_string.count("!");
+    EXPECT(count == 1);
+
+    test_string = String("111._.111._.111");
+    count = test_string.count("111");
+    EXPECT(count == 3);
+
+    count = test_string.count("._.");
+    EXPECT(count == 2);
+}
+
 TEST_CASE(substring)
 {
     String test = "abcdef";